(Print on district letterhead and keep on file at district office.) DATE. The letter should be written in a formal business tone.Be kind and professional while drafting a business letter. Effective January 1st 2020 a PTAL will no longer be required for international medical graduates. A Postgraduate Training Authorization Letter (PTAL) allows you to seek and commence ACGME accredited training in California. Mention what actions the authorized person is allowed to take on your behalf. The Program Coordinator will complete one LOA for VMC and two separate LOAs for SLRH. Some university policies may require the writing of a letter. This dynamic PDF is not fillable if you open it in your internet browser. Please use these steps to download, save, and fill out the form.